<template>
  <el-container class="home-container">
    <el-header>
      <div>
        <img src="../assets/heima.png"
             alt="" />
        <span>电商管理系统</span>
      </div>
      <el-button type="info"
                 @click="loginOut">退出</el-button>
    </el-header>
    <el-container>
      <el-aside :width="isCollapse ? '64px' : '200px'">
        <div class="togger-button"
             @click="toggleCollapse">|||</div>
        <!--侧边栏菜单-->
        <el-menu background-color="#545c64"
                 text-color="#fff"
                 active-text-color="#409Eff"
                 :unique-opened="true"
                 :collapse="isCollapse"
                 :collapse-transition="false"
                 :router="true"
                 :default-active="activePath">
          <el-submenu :index="item.id + ''"
                      v-for="item in menulist"
                      :key="item.id">
            <template slot="title">
              <i :class="iconObj[item.id]"></i>
              <span>{{ item.authName }}</span>
            </template>
            <el-menu-item :index="'/' + subItem.path"
                          v-for="subItem in item.children"
                          :key="subItem.id"
                          @click="saveState(subItem.path)"><template slot="title">
                <i class="el-icon-menu"></i>
                <span>{{ subItem.authName }}</span>
              </template></el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <el-main>
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>
<script>
export default {
  data () {
    return {
      //左侧菜单数据
      menulist: [],
      iconObj: {
        125: 'iconfont icon-user',
        103: 'iconfont icon-tijikongjian',
        101: 'iconfont icon-shangpin',
        102: 'iconfont icon-danju',
        145: 'iconfont icon-baobiao',
      },
      isCollapse: false,
      activePath: '', //激活的链接地址
    }
  },
  created () {
    this.getMenuList()
    this.activePath = window.sessionStorage.getItem('activePath')
  },
  methods: {
    loginOut () {
      window.sessionStorage.clear()
      this.$router.push('/login')
    },
    async getMenuList () {
      try {
        let result = await new this.Request(this.Urls.m().getMenuList).modeGet()

        if (result.meta.status !== 200) {
          return this.$message.error(result.meta.msg)
        } else {
          this.menulist = result.data
          console.log(result.data)

          console.log('菜单数据', this.menulist)
        }
      } catch (error) {
        console.log(error)
      }
    },
    toggleCollapse () {
      //菜单按钮的折叠与展开
      this.isCollapse = !this.isCollapse
    },
    //保存链接激活状态
    saveState (activePath) {
      let tempPath = '/' + activePath
      this.activePath = tempPath
      window.sessionStorage.setItem('activePath', tempPath)
    },
  },
}
</script>
<style lang="less" scoped>
.home-container {
  height: 100%;
}

.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: white;
  font-size: 20px;
  div {
    display: flex;
    align-items: center;

    span {
      margin-left: 15px;
    }
  }
}
.el-aside {
  background-color: #333744;
  .el-menu {
    border-right: none;
  }
}
.el-main {
  background-color: #eaedf1;
}
.iconfont {
  margin: 15px;
}
.togger-button {
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: white;
  text-align: center;
  letter-spacing: 0.2em;
  cursor: pointer;
}
</style>